describe('getLayers', function () {
    /////////////////////////////
    // SETUP FOR EACH TEST
    /////////////////////////////
    var map, div;

    beforeEach(function () {
        div = document.createElement('div');
        div.style.width = '200px';
        div.style.height = '200px';
        document.body.appendChild(div);

        map = L.map(div, {maxZoom: 18, trackResize: false});

        map.fitBounds(new L.LatLngBounds([
            [1, 1],
            [2, 2]
        ]));
    });
    afterEach(function () {
        map.remove();
        document.body.removeChild(div);

        map = div = null;
    });

    /////////////////////////////
    // TESTS
    /////////////////////////////
    it('hits polygons and markers before adding to map', function () {
        var group = new L.MarkerClusterGroup();
        var polygon = new L.Polygon([[1.5, 1.5], [2.0, 1.5], [2.0, 2.0], [1.5, 2.0]]);
        var marker = new L.Marker([1.5, 1.5]);

        group.addLayers([polygon, marker]);

        var layers = group.getLayers();

        expect(layers.length).to.be(2);
        expect(layers).to.contain(marker);
        expect(layers).to.contain(polygon);
    });

    it('hits polygons and markers after adding to map', function () {
        var group = new L.MarkerClusterGroup();
        var polygon = new L.Polygon([[1.5, 1.5], [2.0, 1.5], [2.0, 2.0], [1.5, 2.0]]);
        var marker = new L.Marker([1.5, 1.5]);

        group.addLayers([polygon, marker]);
        map.addLayer(group);

        var layers = group.getLayers();

        expect(layers.length).to.be(2);
        expect(layers).to.contain(marker);
        expect(layers).to.contain(polygon);
    });

    it('skips markers and polygons removed while not on the map', function () {
        var group = new L.MarkerClusterGroup();
        var polygon = new L.Polygon([[1.5, 1.5], [2.0, 1.5], [2.0, 2.0], [1.5, 2.0]]);
        var marker = new L.Marker([1.5, 1.5]);

        group.addLayers([polygon, marker]);

        map.addLayer(group);
        map.removeLayer(group);

        group.removeLayers([polygon, marker]);

        var layers = group.getLayers();

        expect(layers.length).to.be(0);
    });
});